1 files changed, 16 insertions, 0 deletions
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index e34c075a1c..b8e167b488 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -2476,6 +2476,22 @@ module ApplicationTests
       assert_includes Rails.application.config.hosts, ".localhost"
     end
 
+    test "disable_sandbox is false by default" do
+      app "development"
+
+      assert_equal false, Rails.configuration.disable_sandbox
+    end
+
+    test "disable_sandbox can be overridden" do
+      add_to_config <<-RUBY
+        config.disable_sandbox = true
+      RUBY
+
+      app "development"
+
+      assert Rails.configuration.disable_sandbox
+    end
+
     private
       def force_lazy_load_hooks
         yield # Tasty clarifying sugar, homie! We only need to reference a constant to load it.